Stevenson Ranch

Community in Los Angeles County

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Report created October 27, 2026 at www.firezones.info/community/74130/stevenson-ranch

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    81% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    89% has burned

    Most recently the 2018 Pico Fire, which burned 111 acres here, one of 21 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% Extreme

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

Land by hazard class

  1. Very High 3,316 acres · 1,848 state, 1,468 local 81%
  2. High 303 acres · 7 state, 295 local 7%
  3. Moderate 206 acres · Local Responsibility Area 5%
  4. Non-wildland 262 acres · Local Responsibility Area 6%

4,086 acres of land in all, 1,855 in the State Responsibility Area and 2,231 in the Local. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

Largest fires

  1. 1962 Golden Fire Of 9,233 acres in all 2,192 acres
  2. 1979 Valencia Fire 1,214 acres
  3. 1940 Townley Cyn-Pico Cyn Fire Of 6,532 acres in all 971 acres
  4. 1970 Clampitt Fire Of 115,537 acres in all · Cause: Power lines 874 acres
  5. 2003 Simi Fire Of 107,570 acres in all 854 acres
  6. 1954 Pico Fire 671 acres
  7. 1969 Unnamed fire 635 acres
  8. 2007 Magic Fire Of 2,825 acres in all 589 acres
  9. 1969 Valencia Fire 537 acres
  10. 1945 Sheriff No. 109 Fire 430 acres

And 11 smaller fires. In all, 3,626 acres of Stevenson Ranch have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data

Nearby areas

ZIP codes in Stevenson Ranch

Neighboring communities

  1. Stevenson Ranch 81% Very High · this area
  2. Santa Clarita 71% Very High